False-colour transmission electron micrograph of an isolated Gram-negative bacterium Legionella pneumophila. showing its long single flagellum. The bacteria was identified as an agent of disease in 1976 after a mysterious outbreak of pneumonia and other respiratory illness at an American Legion convention in the USA. It was found living in water-tanks,shower-heads and in the cooling towers of air-conditioning systems. The bacteria was subsequently named L. pneumophila and the disease,a form of pneumonia,'legionnaire's disease' or legionellosis. Magnification: x5140 at 35mm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dowsett, A. / Public Health England |
Taille de l’image : | 2385 px × 3896 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |